diff --git a/lib/less/parser.js b/lib/less/parser.js
index bb060fd6..27a0e5b9 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -99,7 +99,7 @@ less.Parser = function Parser(env) {
 
                 callback(e, root, imported);
 
-                if (that.queue.length === 0) { finish() }       // Call `finish` if we're done importing
+                if (that.queue.length === 0) { finish(e) }       // Call `finish` if we're done importing
             }, env);
         }
     };
@@ -431,7 +431,10 @@ less.Parser = function Parser(env) {
             }
 
             if (this.imports.queue.length > 0) {
-                finish = function () { callback(error, root) };
+                finish = function (e) {
+                    if (e) callback(e);
+                    else callback(null, root);
+                };
             } else {
                 callback(error, root);
             }